Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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1.Ductile Iron Pipe Description :
DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating.

1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
2.Main Features of the Ductile Iron Pipe:
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

4.Ductile Iron Pipe Specification:
Internal lining:ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating:ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing:ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

5.FAQ:
1.Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

2.Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

Q:Can ductile iron pipe be used for oil and gas transmission pipelines?: Ductile iron pipe is a suitable choice for oil and gas transmission pipelines due to its many advantageous properties. With its high tensile strength, it can withstand the pressures and stresses involved in this application. Moreover, ductile iron pipe exhibits excellent corrosion resistance, which is further improved by protective coatings on its exterior. In addition, its durability and longevity ensure the reliability of oil and gas transmission pipelines. Overall, ductile iron pipe offers a reliable and cost-effective solution for oil and gas transmission pipelines.

Q:What is the difference between cast iron pipe and seamless steel pipe and galvanized steel pipe?: Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.

Q:How are ductile iron pipes protected against external damage?: Ductile iron pipes are protected against external damage through a variety of methods. One common method is the application of a protective coating to the pipe's exterior surface. This coating acts as a barrier, shielding the pipe from corrosive elements in the surrounding environment. Additionally, ductile iron pipes can be encased in concrete or a protective sleeve to provide further protection against external damage, such as impact or abrasion. Regular inspections and maintenance are also essential to identify any potential issues and ensure the ongoing protection of ductile iron pipes.

Q:Can ductile iron pipe be used for water treatment plant applications?: Ductile iron pipe is indeed applicable for water treatment plant purposes. Renowned for its robustness and endurance, this type of pipe is well-suited for the conveyance of water and other liquids in diverse industrial environments, such as water treatment facilities. Its exceptional resistance to corrosion and capacity to endure substantial pressure and temperature make it an ideal selection for scenarios where the pipe is exposed to chemicals, disinfectants, and other treatment procedures. Moreover, the installation, maintenance, and repair of ductile iron pipe are straightforward, rendering it a cost-efficient alternative for water treatment plant infrastructure.

Q:Water supply pipe is ductile iron, then it's fittings and valves and other parts must be ductile iron?: Valve parts and materials do not require the same pipe material, as long as it can meet the use requirements and cost-effective.

Q:What are the common methods for cutting ductile iron pipes?: Cutting ductile iron pipes can be done using various methods, depending on the specific requirements and available tools. 1. For smaller diameter pipes, a hand saw with a carbide-tipped blade is commonly used. However, this method requires physical effort and can be time-consuming. 2. A more efficient option is using a reciprocating saw with a diamond or carbide abrasive blade. This power tool allows for faster cutting and requires less physical effort. 3. Another popular method is using a cut-off saw, also known as a chop saw or disc cutter. Equipped with a diamond or abrasive blade, this power tool provides precise and fast cuts, making it suitable for both small and large diameter pipes. 4. Cutting larger diameter ductile iron pipes can be achieved using a band saw with a bi-metal or carbide-tipped blade. This method allows for clean and precise cuts, but it may require specialized equipment and expertise. 5. In cases where other cutting tools are not available, a grinding wheel with a diamond or abrasive disc can be used for cutting smaller diameter pipes. It is crucial to follow proper safety precautions when cutting ductile iron pipes. This includes wearing appropriate protective gear and using clamps or vices to secure the pipe during cutting. It is also recommended to consult professionals or refer to manufacturers' guidelines for specific recommendations on cutting ductile iron pipes.

Q:How does ductile iron pipe perform in areas with high groundwater levels?: Ductile iron pipe performs exceptionally well in areas with high groundwater levels. One of the key advantages of ductile iron pipe is its corrosion resistance, which makes it highly suitable for underground applications and areas with high water tables. Unlike other materials, ductile iron pipe is not susceptible to rust or corrosion caused by groundwater, ensuring its durability and longevity. Furthermore, ductile iron pipe has excellent strength and flexibility, allowing it to withstand the external pressure exerted by high groundwater levels. It can resist the buoyant forces exerted by water, preventing it from floating or shifting out of place. In addition, ductile iron pipe's joints are tightly sealed, preventing any groundwater from infiltrating the pipe system. This ensures that there is no leakage or contamination of the water supply, which is crucial in areas with high groundwater levels. Overall, ductile iron pipe is the ideal choice for areas with high groundwater levels due to its corrosion resistance, strength, and ability to maintain a tight, secure system. It provides a reliable and long-lasting solution for water distribution and sewer systems, even in challenging environments.

Q:What are the common causes of failure in ductile iron pipes?: Ductile iron pipes can fail for various reasons. Corrosion is a significant factor. When exposed to water, soil, and other environmental elements, rust and corrosion can develop on the pipe's surface. This weakens the pipe's structure and eventually causes failure. Improper installation or mishandling is another common cause. If the pipes are not correctly installed or if they sustain damage during transportation or installation, they may develop cracks, fractures, or other physical defects. These issues compromise the pipe's functionality and contribute to failure. Inadequate design can also lead to failure. When a pipe is not designed to withstand expected loads, pressures, or environmental conditions, it becomes vulnerable to premature failure. It is crucial to carefully consider material properties, wall thickness, and diameter during the design process to ensure the pipe can handle the demands placed upon it. Failure can also result from poor maintenance and delayed repairs. Regular inspections, maintenance, and timely repairs are essential for identifying and addressing issues before they worsen. Neglecting these measures can lead to the gradual deterioration of the pipe, increasing the likelihood of failure. Lastly, external factors such as soil movement, seismic activity, or excessive traffic loads can cause failure in ductile iron pipes. These forces exert stress on the pipe, resulting in cracks, fractures, or complete failure. To prevent failure in ductile iron pipes, it is crucial to employ proper corrosion protection techniques, adhere to correct installation procedures, consider design factors adequately, implement regular maintenance and repair programs, and account for external factors during the planning and installation process.

Q:How does ductile iron pipe handle thermal expansion and contraction?: The effectiveness of ductile iron pipe in dealing with thermal expansion and contraction is well-known. This is primarily due to its unique material properties and design characteristics. To begin with, it is worth noting that ductile iron pipe has a high coefficient of linear expansion. This means that it experiences relatively more expansion and contraction compared to other materials when exposed to temperature changes. As a result, the pipe is able to accommodate thermal expansion and contraction without causing excessive stress or deformation. Furthermore, the design of ductile iron pipes includes flexible joints. These joints, such as push-on or mechanical joints, are capable of absorbing the movement caused by thermal expansion and contraction. By providing a certain level of flexibility, these joints enable the pipe to expand and contract within a specific range without compromising its structural integrity. Additionally, the material composition of ductile iron itself plays a significant role in its ability to handle thermal expansion and contraction. Ductile iron is a type of cast iron alloy that contains nodular graphite in its microstructure. This composition provides the pipe with enhanced ductility and tensile strength. As a result, the pipe is able to withstand the stresses induced by thermal expansion and contraction without fracturing or breaking. Overall, ductile iron pipe is designed and produced in a manner that allows it to effectively deal with thermal expansion and contraction. Its high coefficient of linear expansion, flexible joints, and ductile material properties all work together to ensure that the pipe can accommodate temperature changes without causing any significant issues or structural failures.

Q:Are ductile iron pipes suitable for potable water systems?: Yes, ductile iron pipes are suitable for potable water systems. Ductile iron is a strong and durable material that is resistant to corrosion, making it a reliable choice for transporting drinking water. Additionally, ductile iron pipes have been widely used in potable water systems for many years, proving their suitability and effectiveness.

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